Gentoo Archives: gentoo-user

From: Alan McKinnon <alan.mckinnon@×××××.com>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] ifconfig and ppp0 address
Date: Tue, 11 Dec 2012 12:00:01
Message-Id: 20121211135503.43a08568@khamul.example.com
In Reply to: [gentoo-user] ifconfig and ppp0 address by Bill Kenworthy
1 On Tue, 11 Dec 2012 19:33:15 +0800
2 Bill Kenworthy <billk@×××××××××.au> wrote:
3
4 > For years I have been using ifconfig and some simple shell magic to
5 > extract the ip address from the adsl ppp session when it changes. The
6 > latest update has changed the output format of ifconfig breaking
7 > things so if ifconfig cant be relied on, what's normally used to
8 > extract an interfaces IP address? I can easily rewrite the shell
9 > magic, but its worth asking if there is some command better suited.
10 >
11 > BillK
12 >
13 >
14 >
15
16 ip tends to be a little more consistent and a little more
17 script-friendly than ifconfig:
18
19 ip -o addr show
20
21 -o prints output on one line, making your subsequent grep, sed and
22 awking easier
23
24 --
25 Alan McKinnon
26 alan.mckinnon@×××××.com